Enaspol

Spolostan 3L

Identification

Chemical description Sodium salt of low-molecular condensate of naphthalenesulfonic acid with formaldehyde
INCI name Sodium Polynaphthalenesulfonate
EC name Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt
CAS # 9084-06-4
EC # -
Spolostan 3L is an efficient dispersing agent intended for use in dyes and pigments, leather industry, paints and coatings, printing, paper industry and agriculture. It is applied especially as an additive in dye liquors.
 
Within the dyeing process Spolostan 3L prevents from creation of dye agglomerates, thus enhancing penetration of the dye into material, providing for uniform dyeing and promoting colour fastness.
 
In leather industry Spolostan 3L performs the function of bleaching and levelling agent in leather tanning processes. It is also a higly efficient dispersing agent for grinding of pigments and printing inks.

Physical and chemical properties

appearance at 20°C dark brown liquid
density at 20°C, g/cm3, c. 1.19
active matter, % wt., min. 34.0
sodium sulfate, % wt., max. 2.5
pH, 3% aqueous solution 6.5 - 8.0

Application areas

Dyes and pigments
Leather industry
Paints coatings
Paper industry
Printing industry
Agriculture

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